A. Monthly B. Quarterly C. Once a year D. The answer depends on usage: D. Depending on usage
A. Brand and model B. Color and appearance C. Production date D. Answer to transportation method: A. make and model
Answer: Ensure the installation site is clean, dry, and well-ventilated, and check the power supply and piping connections.
A. Improve the purity of compressed air B. Reduce equipment noise C. Cooling and lubricating parts D. Increase equipment life Answer: C Analysis: The water-lubricated design of oil-free air compressors is mainly used to cool and lubricate compressor components to ensure…
A. Compression method B. Cooling method C. Lubricating method D. Control method answer: C analysis: oil-injected air compressors use lubricating oil to cool and lubricate compressor components, while oil-free air compressors do not use lubricating oil. These are two…